<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>首页：Thymeleaf</title>
</head>
<body>

<hr/>
<!-- <h3><a href="tomain">页面嵌入</a></h3> -->
<form action="tomain">
    <select name="topage">
        <option value="copy">版权子页</option>
        <option value="status">状态子页</option>
    </select>
    <input type="submit">
</form>
</body>
</html>